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Diffstat (limited to 'libbb')
-rw-r--r--libbb/make_directory.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/libbb/make_directory.c b/libbb/make_directory.c
index 89352ca..a6b7c28 100644
--- a/libbb/make_directory.c
+++ b/libbb/make_directory.c
@@ -35,9 +35,20 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
char c;
struct stat st;
- /* Happens on bb_make_directory(dirname("no_slashes"),...) */
- if (LONE_CHAR(path, '.'))
+ /* "path" can be a result of dirname().
+ * dirname("no_slashes") returns ".", possibly read-only.
+ * musl dirname() can return read-only "/" too.
+ * We need writable string. And for "/", "." (and ".."?)
+ * nothing needs to be created anyway.
+ */
+ if (LONE_CHAR(path, '/'))
return 0;
+ if (path[0] == '.') {
+ if (path[1] == '\0')
+ return 0; /* "." */
+// if (path[1] == '.' && path[2] == '\0')
+// return 0; /* ".." */
+ }
org_mask = cur_mask = (mode_t)-1L;
s = path;